author | wenzelm |
Tue, 21 Aug 2012 13:29:34 +0200 | |
changeset 48871 | c82720f054c3 |
parent 48870 | 4accee106f0f |
child 48872 | 6124e0d1120a |
permissions | -rw-r--r-- |
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some support for theory files within Isabelle/Scala session;
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parents:
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/* Title: Pure/Thy/thy_info.scala |
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Author: Makarius |
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Theory and file dependencies. |
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*/ |
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package isabelle |
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class Thy_Info(thy_load: Thy_Load) |
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{ |
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/* messages */ |
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private def show_path(names: List[Document.Node.Name]): String = |
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names.map(name => quote(name.theory)).mkString(" via ") |
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private def cycle_msg(names: List[Document.Node.Name]): String = |
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"Cyclic dependency of " + show_path(names) |
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private def required_by(initiators: List[Document.Node.Name]): String = |
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if (initiators.isEmpty) "" |
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else "\n(required by " + show_path(initiators.reverse) + ")" |
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parents:
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parents:
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parents:
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/* dependencies */ |
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type Dep = (Document.Node.Name, Document.Node.Header) |
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private sealed case class Required( |
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deps: List[Dep] = Nil, |
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seen: Set[Document.Node.Name] = Set.empty) |
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{ |
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def :: (dep: Dep): Required = copy(deps = dep :: deps) |
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def + (name: Document.Node.Name): Required = copy(seen = seen + name) |
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} |
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wenzelm
parents:
diff
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private def require_thys(initiators: List[Document.Node.Name], |
44954
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wenzelm
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required: Required, names: List[Document.Node.Name]): Required = |
b536b1144eb3
more careful traversal of theory dependencies to retain standard import order;
wenzelm
parents:
44616
diff
changeset
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(required /: names)(require_thy(initiators, _, _)) |
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private def require_thy(initiators: List[Document.Node.Name], |
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44954
b536b1144eb3
more careful traversal of theory dependencies to retain standard import order;
wenzelm
parents:
44616
diff
changeset
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required: Required, name: Document.Node.Name): Required = |
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{ |
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if (required.seen(name)) required |
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else if (thy_load.loaded_theories(name.theory)) required + name |
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some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
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else { |
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try { |
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if (initiators.contains(name)) error(cycle_msg(initiators)) |
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simplified Document.Node.Header -- internalized errors;
wenzelm
parents:
46737
diff
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val header = |
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try { thy_load.check_thy(name) } |
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catch { |
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case ERROR(msg) => |
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cat_error(msg, "The error(s) above occurred while examining theory " + |
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quote(name.theory) + required_by(initiators)) |
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511df47bcadc
some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
changeset
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} |
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(name, header) :: require_thys(name :: initiators, required + name, header.imports) |
43651
511df47bcadc
some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
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} |
48707
ba531af91148
simplified Document.Node.Header -- internalized errors;
wenzelm
parents:
46737
diff
changeset
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catch { |
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parents:
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case e: Throwable => |
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(name, Document.Node.bad_header(Exn.message(e))) :: (required + name) |
48707
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simplified Document.Node.Header -- internalized errors;
wenzelm
parents:
46737
diff
changeset
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} |
43651
511df47bcadc
some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
changeset
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} |
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some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
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} |
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wenzelm
parents:
diff
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44954
b536b1144eb3
more careful traversal of theory dependencies to retain standard import order;
wenzelm
parents:
44616
diff
changeset
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def dependencies(names: List[Document.Node.Name]): List[Dep] = |
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require_thys(Nil, Required(), names).deps.reverse |
43651
511df47bcadc
some support for theory files within Isabelle/Scala session;
wenzelm
parents:
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} |